Which of the Following Is Considered the Primary Reason for the Post-Traumatic

Multiple Choice

Which of the following is considered the primary reason for the post-traumatic stress disorder suffered by thousands of Vietnam veterans?

A) Many soldiers were exposed to Agent Orange.
B) Soldiers had to fight in the midst of jungles, rains, and withering heat.
C) Soldiers suffered from battle fatigue.
D) Soldiers saw large numbers of women, children, and elderly people killed.